class DropConstructionApproachesSurveyTypes < ActiveRecord::Migration
  def self.up
    drop_table :construction_approaches_survey_types
  end

  def self.down
    create_table(:construction_approaches_survey_types, :id =>false) do |t| 
      t.column :survey_type_id,           :int      
      t.column :construction_approach_id, :int
    end
  end
end
